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我的程序如下： Q' ~$ v* x% B4 V* y/ L- R" {& i
breed [dogs dog]
* O4 p& V3 @+ b9 h; B* \breed [cats cat]9 [9 o9 r- D+ J5 W
breed [cows cow]
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# S8 D4 V5 s' n. C" K8 eto setup8 Q7 i7 T) I2 [# C& d$ o
clear-all% q* u3 s. w6 H: i" t T
set-default-shape dogs "dog"
: Y& K+ W- P; p: S- [ set-default-shape cats "cat"
! t& L/ v- H0 U+ J' w) k set-default-shape cows "cow") U: b1 ~2 B- v- g
ask patch 0 1 [ sprout-dogs 1 ]
% u8 E$ R* f) j* M! A ask patch 0 0 [ sprout-cats 1 ]! u7 P+ ~* p+ W, s: p0 ~/ E. k
ask patch 0 -1 [ sprout-cows 1 ]: y5 o/ E9 q+ ]' t+ j9 ^
end
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这个是netlogo自带模型库里的模型中的程序，我新建文件再将其输入却提示错误：4 R" b$ `1 _$ l# r5 e. s" j
error while observer running SET-DEFAULT-SHAPE in procedure SETUP- `8 K# e2 d" `1 O5 c2 c9 @; M
"dog" is not a currently defined turtle shape
5 h0 L, }9 x# G; s. g8 l0 y(halted running of setup)( C6 E& k6 [" E, m3 K# }7 y% D
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$ O0 k9 V' z4 G. x" A我用的版本是4.0.4 请大虾们指教下。thanks！ |
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发表于 2009-11-18 10:33:10
